639156798

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73517}}^1$

素因数の和:73558

約数の個数: 64

約数和(自身を含む): 1693854720

約数和(自身を除く): 1054697922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2898, 4347, 8694, 73517, 147034, 220551, 441102, 514619, 661653, 1029238, 1323306, 1543857, 1690891, 1984959, 3087714, 3381782, 3969918, 4631571, 5072673, 9263142, 10145346, 11836237, 13894713, 15218019, 23672474, 27789426, 30436038, 35508711, 45654057, 71017422, 91308114, 106526133, 213052266, 319578399, 639156798]

約数ペア:

[(1, 639156798), (2, 319578399), (3, 213052266), (6, 106526133), (7, 91308114), (9, 71017422), (14, 45654057), (18, 35508711), (21, 30436038), (23, 27789426), (27, 23672474), (42, 15218019), (46, 13894713), (54, 11836237), (63, 10145346), (69, 9263142), (126, 5072673), (138, 4631571), (161, 3969918), (189, 3381782), (207, 3087714), (322, 1984959), (378, 1690891), (414, 1543857), (483, 1323306), (621, 1029238), (966, 661653), (1242, 514619), (1449, 441102), (2898, 220551), (4347, 147034), (8694, 73517)]